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immediate downloadReleased: 2017-11-28
BS ISO 7781:2017
Styrene-butadiene rubber, raw. Determination of soap and organic-acid content
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195.00 USD
You can read the standard for 1 hour. More information in the category: E-reading
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You can read the standard for 24 hours. More information in the category: E-reading
Reading the standardfor 24 hours
58.50 USD
| Standard number: | BS ISO 7781:2017 |
| Pages: | 20 |
| Released: | 2017-11-28 |
| ISBN: | 978 0 580 96465 7 |
| Status: | Standard |
DESCRIPTION
BS ISO 7781:2017
This standard BS ISO 7781:2017 Styrene-butadiene rubber, raw. Determination of soap and organic-acid content is classified in these ICS categories:
- 83.040.10 Latex and raw rubber
This document specifies three methods for the determination of the soap and organic-acid content of raw styrene-butadiene rubber (SBR).
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Method A is the titration method using indicator reagent.
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Method B is the titration method using an automatic potentiometric titrator.
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Method C is the back titration method using an automatic potentiometric titrator.
Since the soaps and organic acids present in the rubber are not single chemical compounds, the method gives only an approximate value for the soap and organic-acid content.